Elbow Dysplasia

• = Ununited anconeal process
• In dogs, especially German Shepherd Dogs, St. Bernards, Labradors
• Occurs during first few years of life
• Failure of anconeal centre of ossification to unite with the ulna
  • Normally, they unite between 4-6 months of life
• May partially or totally separate from each other
• Intra-articular irritation -> DJD with osteophyte formation within the joint